Tescom T-300P Series, User Manual

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VI. CUSTOMER SERVICE
WARNING!
There are no customer serviceable components inside. DO NOT open the cover or attempt to service the unit. High
voltage may remain when the unit is shut down.
Unauthorized service will void the warranty and could cause serious injury.
6.1 Maintenance
The unit is designed for easy maintenance. Very little customer maintenance is required. The following will
help to ensure trouble -free operation for several years:
1.
Vacuum the dust from the ventilation intake on the front panel.
2. Wipe the cover with a dump cloth.
3. Check the batteries charge with the manual battery test procedure. See Automatic And Manual Battery
Test.
CAUTION!
It is recommended to test the battery discharging capability only after the software in use has been saved and
all files have been closed.
6.2 Troubleshooting
Due to the unique design, the unit can be serviced only by authorized people. In case of a persistent failure or
problem properly turn off the unit first. Then review the following check list. Be prepared to answer the
questions before calling the service.
1.
Did you follow the operation procedure? Did it happen on installation?
2.
Did a power failure occur just after or before the malfunction noted on the UPS?
3. What is the indicators status? (see LCD alarms and FAULT codes)
4. Were any changes made recently to unit or the critical equipment connected to the unit?
5.
Did an overload condition occur? Remove load from the unit and restart it.
6.
Is the utility power phase sequence correct (were any changes phase sequence of the mains)?
6.3 Storage
1.
Check the batteries charge with the manual battery test before storage.
2.
Connection’s uninstall operation will be done by the authorized service.
3. During the storage period the batteries should be charged once, per six months.
4. Keep the equipment and the batteries in a dry, cool place.
Best storage temperature for the UPS : Between 0
°
C and 40
°
C max.
Best storage temperature for the batteries : Between 10
°
C and 35
°
C max.